scholarly journals HISTORY OF LAPAROSCOPIC INTERVENTIONS OR IS IT POSSIBLE TO PRESENTLY PREDICT THE FUTURE?

2020 ◽  
Vol 19 (1) ◽  
pp. 124-128
Author(s):  
M. Gresko ◽  
A. Gresko

The main stages of formation of endoscopic surgery are analyzed in chronological sequence. It is shown that the development of surgical technologies at the end of 20th century was due to the fruitful work of individual surgeons, who, in close cooperation with engineers, "broke" the classic vision of the development of surgery of their colleagues. Their talent and persistence in the introduction of new therapies tended to reduce the traumaticity of the various methods of diagnosis and treatment and made it possible to perform high-tech surgeries with a high level of rehabilitation. Since 1992, endoscopic techniques have become widely used in hospitals in different cities of Ukraine and in 1996 were introduced in Bukovyna. Bukovynian surgeons continue to improve the methods of endoscopic treatment of patients, keeping in mind that this is the key to the progress of treatment and the prevention of intra - and postoperative complications. 

2021 ◽  
Vol 18 (1) ◽  
pp. 70-77
Author(s):  
M. N. Kravtsov

The literature review is devoted to the history of the development of endoscopic surgery of the lumbar spine: from open surgical interventions and puncture procedures – to percutaneous intracanal endoscopic operations, combining interventional and video endoscopic technologies and referred to in the English literature as “full-endoscopy”. The article also touches upon the historical aspects of fibroendoscopic and laparoscopic interventions on the lumbar spine. In conclusion, the principle of classification of endoscopic techniques is proposed.


Author(s):  
Igor A. Spivak

The beginning of diplomatic relations between the Golden Horde and Mamluk Egypt and the conversion to Islam by Khan Berke (1257–1266) are reflected in written sources. The most important of these is the Garden of Flowers in the Biography of al-Malik al-Zahir, compiled by Muhyi d-Din Abu-l-Fadl ’Abdallah ibn ‘Abd az-Zahir, the secretary of the Sultan al-Malik al-Zahir Rukn al-Din Baybars al-Bunduqdari (1260–1277). This work became the basis for later books of those who represented Arabic-speaking historical tradition. The excerpts from these works uncovering the history of the Golden Horde were published in 1884 by V. G. Tizengausen. It should be noted that the translation of the sources made by V. G. Tizengausen at a high level is not a word-by-word translation. The literary translation leaves room for various historical interpretations of the texts. In 2020, V. A. Sidorenko published an attempt of interpretation of the kind. The aim of the present research is grammatical, historical, and religious analysis of the conjectures given by V. A. Sidorenko and the conclusions drawn against this background. The results of the research undertaken support the conclusion that the most likely date of conversion to Islam by Khan Berke reflected in the written sources is 1263. Moreover, the author criticises the conjectures of Ibn Abd al-Zahir’s text suggested by V. A. Sidorenko. The greatest objection is the translation of the content of the first letter of the Egyptian Sultan to Khan Berke. The conclusion is made that, at the moment when the letter to Berke was written, al-Malik al-Zahir Baybars had no doubts about the religion of the Khan. This conclusion suggests doubts concerning the chronological sequence of diplomatic missions and exchange of letters between Egypt and the Golden Horde suggested by V. A. Sidorenko. One should search for the reason for the contradictions between the content of the Sultan’s message to the Khan of the Golden Horde and the content of the letters delivered to Egypt by Berke’s ambassadors among the features of religious policy of Mongolian rulers. Taking the Khan’s sympathy for Islam into account, the reason behind the letter to Berke probably was the misinterpretation of the information concerning his religion received in Egypt.


Author(s):  
JOHN R. KOZA ◽  
MARTIN A. KEANE ◽  
MATTHEW J. STREETER ◽  
THOMAS P. ADAMS ◽  
LEE W. JONES

Some designs are sufficiently creative that they are considered to be inventions. The invention process is typically characterized by a singular moment when the prevailing thinking concerning a long-standing problem is, in a “flash of genius,” overthrown and replaced by a new approach that could not have been logically deduced from what was previously known. This paper discusses such logical discontinuities using an example based on the history of one of the most important inventions of the 20th century in electrical engineering, namely, the invention of negative feedback by AT&T's Harold S. Black. This 1927 invention overthrew the then prevailing idiom of positive feedback championed by Westinghouse's Edwin Howard Armstrong. The paper then shows how this historically important discovery can be readily replicated by an automated design and invention technique patterned after the evolutionary process in nature, namely, genetic programming. Genetic programming employs Darwinian natural selection along with analogs of recombination (crossover), mutation, gene duplication, gene deletion, and mechanisms of developmental biology to breed an ever improving population of structures. Genetic programming rediscovers negative feedback by conducting an evolutionary search for a structure that satisfies Black's stated high-level goal (i.e., reduction of distortion in amplifiers). Like evolution in nature, genetic programming conducts its search probabilistically without resort to logic using a process that is replete with logical discontinuities. The paper then shows that genetic programming can routinely produce many additional inventive and creative results. In this regard, the paper discusses the automated rediscovery of numerous 20th-century patented inventions involving analog electrical circuits and controllers, the Sallen–Key filter, and six 21st-century patented inventions. In addition, two patentable new inventions (controllers) have been created in the same automated way by means of genetic programming. The paper discusses the promising future of automated invention by means of genetic programming in light of the fact that, to date, increased computer power has yielded progressively more substantial results, including numerous human-competitive results, in synchrony with Moore's law. The paper argues that evolutionary search by means of genetic programming is a promising approach for achieving creative, human-competitive, automated design because illogic and creativity are inherent in the evolutionary process.


Author(s):  
Aleksey A. Streltsov ◽  

The article considers the main aspects of word-fusion, which is a means of word-building that has become popular in the last few decades. As a result, many scientific papers appeared whose authors are quite often not familiar with each other’s findings. That is why we aimed to highlight the major challenging aspects as well as little-known aspects of word-fusion and to present the main results obtained by researchers. We have shown that word-fusion has been in use at least since the 16th century, and not only in the English language. Now words derived according to the pattern are found in many languages of Continental Europe (German, French, Italian, etc.) and presumably existed in some languages, that are now extinct. There is a considerable number of literature on the subject that first appeared in the early 20th century, whereas in this country it happened half a century later. However, there were no less than ten theses, defended by Soviet and Russian linguists indicating a relatively high level of scrutiny. Nowadays, practically everyone recognizes the fact, that word-fusion is a separate productive word-building means used not only for word-play but also for term-building, and nomination of new objects and phenomena, mostly hybrid ones. As far as there is still no universally accepted term for the word-formation means in question, we propose “blending” which is mostly used by foreign and many Russian scholars, or “word-fusion” which is brief and semantically transparent.


2004 ◽  
pp. 142-157
Author(s):  
M. Voeikov ◽  
S. Dzarasov

The paper written in the light of 125th birth anniversary of L. Trotsky analyzes the life and ideas of one of the most prominent figures in the Russian history of the 20th century. He was one of the leaders of the Russian revolution in its Bolshevik period, worked with V. Lenin and played a significant role in the Civil War. Rejected by the party bureaucracy L. Trotsky led uncompromising struggle against Stalinism, defending his own understanding of the revolutionary ideals. The authors try to explain these events in historical perspective, avoiding biases of both Stalinism and anticommunism.


2017 ◽  
pp. 142-154 ◽  
Author(s):  
A. Yusupova ◽  
S. Khalimova

The paper deals with the research devoted to characteristics of high tech business development in Russia. Companies’ performance indicators have been analyzed with the help of regression analysis and author’s scheme of leadership stability and sustainability assessment. Data provided by Russia’s Fast Growing High-Tech Companies’ National Rating (TechUp) during 2012-2016 were used. The results have revealed that the high tech sector is characterized by high level of uncertainty. Limited number of regions and sectors which form the basis for high tech business have been defined. Relationship between innovation activity’s indicators and export potential is determined.


2008 ◽  
Vol 1 (2) ◽  
pp. 139-155 ◽  
Author(s):  
YAEL DARR

This article describes a crucial and fundamental stage in the transformation of Hebrew children's literature, during the late 1930s and 1940s, from a single channel of expression to a multi-layered polyphony of models and voices. It claims that for the first time in the history of Hebrew children's literature there took place a doctrinal confrontation between two groups of taste-makers. The article outlines the pedagogical and ideological designs of traditionalist Zionist educators, and suggests how these were challenged by a group of prominent writers of adult poetry, members of the Modernist movement. These writers, it is argued, advocated autonomous literary creation, and insisted on a high level of literary quality. Their intervention not only dramatically changed the repertoire of Hebrew children's literature, but also the rules of literary discourse. The article suggests that, through the Modernists’ polemical efforts, Hebrew children's literature was able to free itself from its position as an apparatus controlled by the political-educational system and to become a dynamic and multi-layered field.


2020 ◽  
Vol 99 (11) ◽  

The authors present an outline of the development of thyroid surgery from the ancient times to the beginning of the 20th century, when the definitive surgical technique have been developed and the physiologic and pathopfysiologic consequences of thyroid resections have been described. The key representatives, as well as the contribution of the most influential czech surgeons are mentioned.


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